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What is USB3320?

This electronic component, produced by the manufacturer "Microchip", performs the same function as "Highly Integrated Full Featured Hi-Speed USB 2.0 ULPI Transceiver".


USB3320 Datasheet PDF - Microchip

Part Number USB3320
Description Highly Integrated Full Featured Hi-Speed USB 2.0 ULPI Transceiver
Manufacturers Microchip 
Logo Microchip Logo 


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USB3320
Highly Integrated Full Featured Hi-Speed USB 2.0 ULPI
Transceiver
Features
• Integrated ESD protection circuits
- Up to ±15kV IEC Air Discharge without exter-
nal devices
• Over-Voltage Protection circuit (OVP) protects the
VBUS pin from continuous DC voltages up to 30V
• Integrated USB Switch
- No degradation of Hi-Speed electrical char-
acteristics
- Allows single USB port of connection by pro-
viding switching function for:
–Battery charging
–Stereo and mono/mic audio
–USB Full-Speed/Low-Speed data
• flexPWR® Technology
- Low current design ideal for battery powered
applications
- “Sleep” mode tri-states all ULPI pins and
places the part in a low current state
- 1.8V to 3.3V IO Voltage (±10%)
• Integrated battery to 3.3V regulator
- 2.2uF bypass capacitor
- 100mV dropout voltage
• “Wrapper-less” design for optimal timing perfor-
mance and design ease
- Low Latency Hi-Speed Receiver (43 Hi-
Speed clocks Max) allows use of legacy
UTMI Links with a ULPI bridge
• Selectable Reference Clock Frequency
- Frequencies: 12, 13, 19.2, 24, 26, 27, 38.4,
52 or 60MHz - pin selectable
• External Reference Clock operation available
- ULPI Input Clock Mode (60MHz sourced by
Link)
- 0 to 3.6V input drive tolerant
- Able to accept “noisy” clock sources as refer-
ence to internal, low-jitter PLL
• Internal Oscillator operation available
• This mode requires external Quartz Crystal or
Ceramic Resonator
• Smart detection circuits allow identification of
USB charger, headset, or data cable insertion
• Includes full support for the optional On-The-Go
(OTG) protocol detailed in the On-The-Go Sup-
plement Revision 2.0 specification
• Supports Headset Audio Mode
• Supports the OTG Host Negotiation Protocol
(HNP) and Session Request Protocol (SRP)
• UART mode for non-USB serial data transfers
• Internal 5V cable short-circuit protection of ID, DP
and DM lines to VBUS or ground
• Industrial Operating Temperature -40°C to +85°C
• 32-pin, QFN RoHS Compliant Package
(5 x 5 x 0.90 mm height)
Applications
The USB3320 is targeted for any application where a
Hi-Speed USB connection is desired and when board
space, power, and interface pins must be minimized.
The USB3320 is well suited for:
• Networking
• Audio Video
• Medical
• Industrial Computers
• Printers
• Repeaters
• Communication
2014-2015 Microchip Technology Inc.
DS00001792B-page 1

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USB3320 equivalent
USB3320
The USB3320 includes an integrated 3.3V Low Drop Out (LDO) regulator that may optionally be used to generate 3.3V
from power applied at the VBAT pin. The voltage on the VBAT pin can range from 3.1 to 5.5V. The regulator dropout
voltage is less than 100mV which allows the transceiver to continue USB signaling when the voltage on VBAT drops to
3.1V. The USB transceiver will continue to operate at lower voltages, although some parameters may be outside the
limits of the USB specifications. If the user would like to provide a 3.3V supply to the USB3320, the VBAT and VDD33
pins should be connected together as described in Section 5.5.1.
The USB3320 also includes integrated pull-up resistors that can be used for detecting the attachment of a USB Charger.
By sensing the attachment to a USB Charger, a product using the USB3320 can charge its battery at more than the
500mA allowed when charging from a USB Host. Please see Microchip Application Note AN 19.7 - Battery Charging
Using Microchip USB Transceivers for more information on battery charging.
In USB UART mode, the USB3320 DP and DM pins are redefined to enable pass-through of asynchronous serial data.
The USB3320 can only enter UART mode when the user programs the part into this mode, as described in
Section 6.5.1.
In USB audio mode, a switch connects the DP pin to the SPK_R pin, and another switch connects he DM pin to the
SPK_L pin. These switches are shown in the lower left-hand corner of Figure 5.1. The USB3320 can be configured to
enter USB audio mode as described in Section 6.5.2. In addition, these switches are on when the RESETB pin of the
USB3320 is asserted. The USB audio mode enables audio signaling from a single USB port of connection, and the
switches may also be used to connect Full Speed USB from another transceiver onto the USB cable.
1.2 Reference Documents
• Universal Serial Bus Specification, Revision 2.0, April 27, 2000
• On-The-Go Supplement to the USB 2.0 Specification, Revision 2.0, May 8, 2009
• USB Specification Revision 2.0 "Pull-up/pull-down resistors" ECN (27% Resistor ECN)
• USB 2.0 Transceiver Macrocell Interface (UTMI) Specification, Version 1.02, May 27, 2000
• UTMI+ Specification, Revision 1.0, February 25, 2004
• UTMI+ Low Pin Interface (ULPI) Specification, Revision 1.1, October 20th, 2004
• Technical Requirements and Test Methods of Charger and Interface for Mobile Telecommunication Terminal
Equipment (Chinese Charger Specification Approval Draft 11/29/2006)
2014-2015 Microchip Technology Inc.
DS00001792B-page 5


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Part Details

On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for USB3320 electronic component.


Information Total 30 Pages
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USB3320The function is Highly Integrated Full Featured Hi-Speed USB 2.0 ULPI Transceiver. MicrochipMicrochip

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